Answer:
contract
Electrical impulses from the brain tell the muscles to contract which moves the parts which causes pressure which squeezes the blood through the valves.
hope this helps xD
D.
Cold and high salinity
Explanation:
Warmer waters are less dense than cooler/ cold waters. This is why surface ocean currents are made of warmer waters while deeper currents are cooler. The deep currents also have a higher salinity. This is because cooler water gets more concentrated faster by dissolving the same amount of solutes (in this case ocean mineral salts) compared to warm waters. This also makes deepwater currents them denser.
The correct answer should be a. epididymis.
That is the part where sperm matures before it is transfered into vas deferens, which is a duct that leads the sperm outside into the urethra.
A. basic kinds of life forms were created by the direct act of God this can be argued by believes but just choose (A) to b safe
Red blood cells. This is because they carry oxygen around the body.
